momentous Antonyms

not important unsubstantial trivial trifling tiny small slight secondary poor pointless piddling worthless unimportant irrelevant less important unnoteworthy unimpressive half ass noncritical unremarkable undistinguished run-of-the-mill meaningless lightweight petty paltry ordinary immaterial frivolous dependent comical circumscribed brief boring basic auxiliary anonymous inconsequential inconsiderable inferior nugatory niggling negligible narrow nameless minor miniature little insubstantial insignificant